Finding the Fourth Proportional to 82,436.76, 113,730.30 and 53,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   82,436.76 : 113,730.30 = 53,789.94 : x
2. Step 2: Convert to fraction form
   82,436.76/113,730.30 = 53,789.94/x
3. Step 3: Cross multiply
   82,436.76x = 113,730.30 × 53,789.94
4. Step 4: Simplify right side
   82,436.76x = 6,117,546,013.18
5. Step 5: Solve for x
   x = 6,117,546,013.18/82,436.76
6. Step 6: Final answer
   x = 74,208.96